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CBSE Class 11-science Answered

A closed gas system initially has pressure and temperature of 86.6torr and 424K with the volume unknown. If the same closed system has values of 597torr, 1240mL and 455K, what was the initial volume in mL?
Asked by Topperlearning User | 20 Apr, 2015, 12:53: PM
answered-by-expert Expert Answer

P1 = 86.6 torr

V1 = ?

T1= 424K

P1= 597 torr

V2 = 1240 mL

T2 = 455K

Using relation:

begin mathsize 12px style fraction numerator straight P subscript 1 straight V subscript 1 over denominator straight T subscript 1 end fraction space equals space fraction numerator straight P subscript 2 straight V subscript 2 over denominator straight T subscript 2 end fraction
fraction numerator 86.6 space straight X space straight V subscript 1 over denominator 424 end fraction space equals space fraction numerator 597 space straight X space 1240 over denominator 455 end fraction
straight V subscript 1 space equals space fraction numerator 597 space straight X space 1240 space straight x space 424 over denominator 455 space straight x space 86.6 end fraction
straight V subscript 1 space equals space 7965 space mL end style

 

Answered by | 20 Apr, 2015, 02:53: PM
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